[maven-release-plugin] prepare for next development iteration

ebean-core/pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.5.0</version>
+    <version>12.5.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>ebean-core</artifactId>
@@ -14,7 +14,7 @@
 
   <scm>
     <developerConnection>scm:git:git@github.com:ebean-orm/ebean.git</developerConnection>
-    <tag>ebean-parent-12.5.0</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <properties>